<?xml version="1.0" encoding="UTF-8"?>
<Config>
    <Solver>
	    <Method>rk4</Method>
		<StartTime>0</StartTime>
		<StopTime>1e7</StopTime>
	    <MaxStep>1e-3</MaxStep>
		<InitStep>2e-3</InitStep>
		<LocalError>1e-1</LocalError>
    </Solver>
</Config>
